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210000022210000 = 245411531072271483
BaseRepresentation
bin101111101111111001110000…
…101110100000010111010000
31000112112210202121122200210101
4233233321300232200113100
5210011120021141210000
62022344402310342144
762143000213524241
oct5757716056402720
91015483677580711
10210000022210000
1160a04566937040
121b6774b265a954
139023bbcbc26c9
1439c00aba94cc8
1519428b0e1ce6a
hexbefe70ba05d0

210000022210000 has 800 divisors, whose sum is σ = 573297749595648. Its totient is φ = 73845807360000.

The previous prime is 210000022209983. The next prime is 210000022210007. The reversal of 210000022210000 is 12220000012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210000022210007) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 141604869259 + ... + 141604870741.

Almost surely, 2210000022210000 is an apocalyptic number.

210000022210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210000022210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286648874797824).

210000022210000 is an abundant number, since it is smaller than the sum of its proper divisors (363297727385648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210000022210000 is a wasteful number, since it uses less digits than its factorization.

210000022210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 210000022210000 its reverse (12220000012), we get a palindrome (210012242210012).

The spelling of 210000022210000 in words is "two hundred ten trillion, twenty-two million, two hundred ten thousand".